2014 Keystone Passport 280BH or Rockwood mini 2504

We had a 2005 forest river class c sun seeker duel slide motor home in the first year we camped in October the heat went out and there was ice inside the rv the storage compartments always had water in them if it was real hot you baked it was 30 feet and the ac was in the front and the sleeping area was in the back and was non ducted I did like the E 450 ford chassis it was easy to drive and smooth my next tow vehicle in 2015 is likely to be a ford sport trac 2007-10 it will tow my Kodiak